Message-ID: <4D5BBF88.6030103@redhat.com>
Date: Wed, 16 Feb 2011 07:14:00 -0500
From: Rik van Riel <riel@redhat.com>
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To: Mel Gorman <mel@csn.ul.ie>
CC: Andrew Morton <akpm@linux-foundation.org>,
        Johannes Weiner <hannes@cmpxchg.org>,
        Andrea Arcangeli <aarcange@redhat.com>, Michal Hocko <mhocko@suse.cz>,
        Kent Overstreet <kent.overstreet@gmail.com>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: vmscan: Stop reclaim/compaction earlier due to	insufficient
 progress if !__GFP_REPEAT
References: <20110209154606.GJ27110@cmpxchg.org> <20110209164656.GA1063@csn.ul.ie> <20110209182846.GN3347@random.random> <20110210102109.GB17873@csn.ul.ie> <20110210124838.GU3347@random.random> <20110210133323.GH17873@csn.ul.ie> <20110210141447.GW3347@random.random> <20110210145813.GK17873@csn.ul.ie> <20110216095048.GA4473@csn.ul.ie>
In-Reply-To: <20110216095048.GA4473@csn.ul.ie>
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On 02/16/2011 04:50 AM, Mel Gorman wrote:

> This patch will stop reclaim/compaction if no pages were reclaimed in the
> last SWAP_CLUSTER_MAX pages that were considered. For allocations such as
> hugetlbfs that use GFP_REPEAT and have fewer fallback options, the full LRU
> list may still be scanned.

> Signed-off-by: Mel Gorman<mel@csn.ul.ie>

Acked-by: Rik van Riel <riel@redhat.com>
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